Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19813138551external-prioritypatent/DE3138551A1/de
Priority claimed from DE19823208216external-prioritypatent/DE3208216A1/de
Application filed by Basf AgfiledCriticalBasf Ag
Priority claimed from EP82108646Aexternal-prioritypatent/EP0075818B2/de
Application grantedgrantedCritical
Publication of ATE17021T1publicationCriticalpatent/ATE17021T1/de